13
Rosemount 8600 Vortex Flow Meter
Reference Manual
May 2019
Configuration
00809-0100-4860, Rev BF
Process fluid
Select the fluid type: either Liquid, Gas/Steam, Tcomp Sat Steam. Tcomp Sat Steam
requires the MTA Option and provides a temperature compensated mass flow output for
saturated steam.
Fixed process temperature
Process Temperature is needed for the electronics to compensate for thermal expansion of
the flowmeter as the process temperature differs from the reference temperature. Process
temperature is the temperature of the liquid or gas in the line during flowmeter operation.
Fixed process temperature may also be used as a back-up temperature value in the event of
a temperature sensor failure if the MTA option is installed.
Note
The Fixed Process Temperature may also be changed under Calculate Density Ratio.
Density/Density ratio
When configuring a meter for mass flow units, a density value needs to be entered. When
configuring a meter for Standard and Normal Volumetric flow units a density ratio will be
required.
Density ratio
Configure the Density Ratio in one of two ways:
1. Enter Density Ratio to convert from actual flow rate to standard flow rate.
2. Enter the process and base conditions. (The Rosemount 8600D electronics will
then calculate the density ratio for you).
Note
Be careful to calculate and enter the correct conversion factor. Standard flow is calculated
with the conversion factor you enter. Any error in the factor entered will result in an error in
the standard flow measurement. If pressure and temperature changes over time, use actual
volumetric flow units. The Rosemount 8600D does not compensate for changing
temperature and pressure.
Note
Changing the base process conditions will modify the density ratio. Likewise a change to
the density ratio will lead to a change in the base process pressure (Pf).
FastKeys
1, 3, 2, 2
FastKeys
1, 3, 2, 3
FastKeys
1, 3, 2, 4
FastKeys
1, 3, 2, 4, 1
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